Illustration of shaft mine, circa 1960s
MLA
Bethlehem Steel Corporation. "Illustration of shaft mine, circa 1960s." Georgia State University. Special Collections. 1960/1969, http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/101241.
APA
Bethlehem Steel Corporation (1960/1969). Illustration of shaft mine, circa 1960s. Retrieved from http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/101241
Chicago
Bethlehem Steel Corporation. "Illustration of shaft mine, circa 1960s." 1960/1969. April 26, 2026. http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/101241.
